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Method for preparing blueberry fruit dried powder by utilizing freeze-drying technology

A technology for blueberry fruit and dry powder is applied in application, food science, food preservation and other directions, and can solve the problems of rough preparation process and achieve the effects of less sugar liquid, fine dry powder and simple preparation process.

Inactive Publication Date: 2016-06-22
干苏灵
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AI Technical Summary

Problems solved by technology

[0002] The traditional dried blueberry fruit powder is generally dehydrated and dried fresh blueberry fruit, and then powdered by a crushing device. This preparation process is relatively rough

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] This specific embodiment adopts following technical scheme: its preparation method is:

[0015] a. Accurately weigh a certain mass of maltodextrin powder, add a certain volume of distilled water to completely dissolve the maltodextrin, and obtain a maltodextrin solution; the mass unit of the maltodextrin powder is grams; the volume unit of the distilled water In milliliters, the ratio of the mass of the maltodextrin powder to the volume of the distilled water is 1:8;

[0016] b. Weigh a certain quality of blueberry puree, measure a certain volume of maltodextrin solution, mix and homogenize the blueberry puree and maltodextrin solution in a homogenizer for 10 minutes, and obtain a carrier-containing blueberry puree sample; The mass unit of the blueberry puree is gram; the volume unit of the maltodextrin solution is ml, and the ratio of the mass of the blueberry puree to the volume of the maltodextrin solution ranges from 1:0.5 to 1:2;

[0017] c. Mix fresh blueberry pu...

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Abstract

The invention provides a method for preparing dried blueberry fruit powder. After washing, crushing, mixing blueberry puree and maltodextrin solution in proportion, homogenizing, pre-freezing, freeze-drying and other steps, the dried blueberry fruit powder is prepared as a semi-finished product The semi-finished product of dried blueberry fruit powder is quickly ground and sieved to obtain the dried blueberry fruit powder product, which is sealed and preserved. Southern highbush blueberry dried fruit powder can be widely used in food and health products, especially in the preparation of different varieties of blueberry dried fruit powder, and can also be extended to the preparation of more varieties of dried berry powder. The invention uses the maltodextrin carrier and adopts the freeze-drying method, the dry powder has a crisper structure, and the obtained dry powder is finer and more suitable for commercialization. Compared with the dry powder without carrier, it has the characteristics of less viscous sugar liquid on the surface, slower moisture absorption speed, and lower moisture return speed.

Description

technical field [0001] The invention relates to the technical field of freeze-dried food, in particular to a method for preparing dried blueberry fruit powder by using freeze-drying technology. Background technique [0002] The traditional dried blueberry fruit powder is generally dehydrated and dried fresh blueberry fruit, and then powdered by a crushing device. This preparation process is relatively rough. Contents of the invention [0003] The purpose of the present invention is to provide a method for preparing dried blueberry fruit powder using freeze-drying technology. The preparation process is simple, and the maltodextrin carrier is used and the freeze-drying method is used. Compared with the dry powder without carrier, it has the characteristics of less viscous sugar liquid on the surface, slow moisture absorption speed, and low moisture return speed. [0004] In order to solve the existing problems of the background technology, the present invention adopts the f...

Claims

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Application Information

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IPC IPC(8): A23L19/00A23L29/30A23L3/44
CPCA23L3/44
Inventor 干苏灵
Owner 干苏灵
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